* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}

.header {
  width: 1000px;
  margin: 0 auto;
}
.header img {
  width: 100%;
}

.nav {
  width: 1000px;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 20px;
  padding-right: 50px;
  background-color: #4983d8;
  margin: 0 auto;
}
.nav ul {
  display: flex;
  justify-content: space-between;
}
.nav ul li {
  color: #fff;
  list-style-type: none;
  position: relative;
}
.nav ul li ol {
  position: absolute;
  top: 17px;
  left: -5px;
  z-index: 10;
  padding-top: 10px;
  display: none;
}
.nav ul li ol li {
  width: 60px;
  padding-left: 5px;
  padding-right: 5px;
  background-color: #eaeaea;
}
.nav ul li ol a {
  color: black;
  font-weight: 400;
}
.nav ul li ol a:hover {
  color: red;
}
.nav a {
  font-size: 12px;
  color: #fff;
  font-weight: 700;
}
.nav span {
  font-size: 12px;
  color: #fff;
}
.nav ul li:hover ol {
  display: block;
}

.main {
  width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #ccc;
}
.main .l_nav {
  width: 262px;
  height: 685px;
  background-color: #eff1f0;
  position: relative;
  padding-top: 20px;
  padding: 10px;
  padding-right: 10px;
}
.main .l_nav .nav_tit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}
.main .l_nav .b_ico {
  position: absolute;
  top: 0;
  left: 0;
}
.main .l_nav h5 {
  border-left: 5px solid #c87c4f;
  padding-left: 5px;
  color: #33aad5;
  font-size: 14px;
}
.main .nav_con {
  width: 100%;
  border-radius: 10px;
  padding-top: 15px;
  padding-bottom: 15px;
  background-color: #fff;
}
.main .nav_con {
  padding-left: 25px;
  margin-top: 5px;
}
.main .nav_con li {
  font-size: 12px;
  margin-bottom: 5px;
  cursor: pointer;
}
.main .nav_con li:hover {
  color: red;
}

.main .l_nav .form {
  background-color: #fff;
  border-radius: 5px;
  border: 1px solid #ccc;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px;
}
.main .l_nav .form input {
  width: 160px;
  height: 22px;
}
.main .l_nav .form button {
  width: 46px;
  height: 22px;
  margin-left: 5px;
}

.main .r_con {
  width: 738px;
  height: 685px;
  padding-top: 10px;
  padding-left: 10px;
}
.main .r_con .item_top {
  width: 100%;
  border: 1px solid #ccc;
}
.main .r_con .item_top .top_tit {
  height: 28px;
  background-color: rgb(211, 237, 252);
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  display: flex;
  align-items: center;
}
.r_con .item_top .top_tit .img2 {
  margin-left: 300px;
}

.r_con .item_con {
  display: flex;
}
.r_con .item_con .l li {
  display: flex;
  align-items: center;
  margin-top: 5px;
  margin-bottom: 5px;
}
.r_con .item_con .l ul {
  padding-left: 5px;
}
.r_con .item_con .l li img {
  margin-right: 5px;
}
.r_con .item_con .l li p {
  padding-right: 5px;
  width: 435px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  padding-bottom: 3px;
  border-bottom: 1px dashed #ccc;
}
.r_con .item_con .r img {
  width: 275px;
  height: 212px;
}

.r_con .item_box {
  width: 100%;
  margin-top: 15px;
}
.r_con .item_box .item_tit {
  width: 350px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #c9c9c9;
  padding-right: 20px;
  border-radius: 5px;
}
.r_con .item_box .item_tit .l {
  display: flex;
  align-items: center;
}
.r_con .item_box .item_tit .l h5 {
  color: #333333;
  font-size: 12px;
}
.r_con .item_box .item_tit .r p {
  font-size: 9px;
  color: #333333;
  font-weight: 400;
}
.r_con .item_list {
  display: flex;
  justify-content: space-between;
}
.r_con .item_box .item_cont ul {
  margin-top: 15px;
  margin-bottom: 15px;
  padding-left: 5px;
}
.r_con .item_box .item_cont ul li {
  font-size: 12px;
  margin-bottom: 3px;
  cursor: pointer;
  list-style: none;
}
.r_con .item_box .item_cont ul li:hover {
  color: red;
}

.bottom {
  width: 1000px;
  margin: 0 auto;
  border: 1px solid #aaccef;
  margin-top: 10px;
  padding: 2px;
}
.bottom {
  display: flex;
  justify-content: space-between;
}
.bottom .img1 {
  width: 62px;
  height: 73px;
}
.bottom .item img {
  width: 172px;
  height: 43px;
}
.bottom .item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.bottom .item select {
  width: 172px;
}

footer {
  width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #f7f7f7;
  padding-top: 20px;
  padding-bottom: 10px;
  margin-top: 5px;
}
footer p {
  font-size: 12px;
  margin-bottom: 10px;
}
